No.	Title	Date
1	African Americans Laborers in Field	1920
2	Buckeye Ditcher Excavating a Drainage Ditch	1913
3	Drainage Ditch in Davie, Fla.	1913
4	Road and Ditch Construction	1913
5	Road Building in the Everglades	1913
6	Tropical Laboratory	1898-03
7	Tropical Laboratory in Course of Construction	1898-03